Access to Polycyclic lndol(en)ines via Base-Catalyzed Intramolecular Dearomatizing 3-Alkenylation of

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Polycyclic indolines and indolenines were synthesized via base-catalyzed intramolecular dearomatizing 3-alkenylation reactions of al-kynyl indoles 1 at room temperature.
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